MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a7cb11dd46b3c940a2e7a620f0f32cbabd885cb80b62c330fbbda577d95cfb2f. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


Threat unknown


Vendor detections: 8


Intelligence 8 IOCs YARA 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a7cb11dd46b3c940a2e7a620f0f32cbabd885cb80b62c330fbbda577d95cfb2f
SHA3-384 hash: 5a1c0ae897505868241ea94046b7330f8bb69dd5ccc92dabe677f9918e55f686705d6bf04999b32410b2c145f0854dfd
SHA1 hash: 8e8aac1e95220dc2421aebf9dbcad4865bfeb60b
MD5 hash: 4f376b4a0f8ceebe4237c5509996be49
humanhash: tennis-green-football-sierra
File name:kworker
Download: download sample
File size:2'877'348 bytes
First seen:2025-03-18 00:17:50 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 49152:nM/6zyU33rlPEvfJ5owG2PnfWrjppt9Jumc/hlGLKV2uS3CtPD1:M693rlPefrG2PfWjp/5c/lV2LStp
TLSH T167D533F36DC107A1D3F52B9ED39A4EF0E9D25A5310401AF1E64F0AC86EFBB715262216
TrID 50.1% (.) ELF Executable and Linkable format (Linux) (4022/12)
49.8% (.O) ELF Executable and Linkable format (generic) (4000/1)
Magika elf
Reporter abuse_ch
Tags:elf

Intelligence

File Origin
# of uploads :
1
# of downloads :
106
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Clean
Score:
70%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67d8cdf73962f1a6f47278a7linux22vpnfull_triage
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
Receives data from a server
Connection attempt
Sends data to a server
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/67d8bc2a01edd28374b2c23f/reports/a0ad93ad-63a1-4dc9-939b-83cdb70649c7/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
custom
Botnet:
unknown
Number of open files:
5
Number of processes launched:
4
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/a7cb11dd46b3c940a2e7a620f0f32cbabd885cb80b62c330fbbda577d95cfb2f
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Verdict:
MALICIOUS
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/3c3b5e66-9756-4241-acfc-1290e9a1714e
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
48 / 100
Link:
https://www.joesandbox.com/analysis/1641113
Signature
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a7cb11dd46b3c940a2e7a620f0f32cbabd885cb80b62c330fbbda577d95cfb2f
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a7cb11dd46b3c940a2e7a620f0f32cbabd885cb80b62c330fbbda577d95cfb2f/
Threat name:
Linux.Trojan.VShell
Create hunting rule
Status:
Malicious
First seen:
2025-03-18 00:20:12 UTC
File Type:
ELF64 Little (Exe)
AV detection:
10 of 22 (45.45%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=u7frdxkgwpeubixhuyqpb4zmxk6yqxfybnrmgmh3xwsxpwk47mxq._file
Result
Malware family:
n/a
Score:
  3/10
Tags:
discovery linux
Link:
https://tria.ge/reports/250318-amf9cs1vat/
Behaviour
Enumerates kernel/hardware configuration
Reads runtime system information
Verdict:
Informative
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/3dcff0da-900d-489a-bf16-2cbacb1d9f73
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:GoBinTest
Create hunting rule
Rule name:golang_binary_string
Create hunting rule
Description:Golang strings present
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:ProgramLanguage_Golang
Create hunting rule
Author:albertzsigovits
Description:Application written in Golang programming language
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:upx_antiunpack_elf64
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:UPX Anti-Unpacking technique to magic renamed for ELF64

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

elf a7cb11dd46b3c940a2e7a620f0f32cbabd885cb80b62c330fbbda577d95cfb2f

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3480606/
  
Delivery method
Distributed via web download

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh

Comments